4,4’-[[[[二硫烷二基双(乙烷-2,1-二基)]双(氧基)]双(乙烷-2,1-二基)]双(氧基)]双(吡啶-2,6-二甲酸)钾，≥95%

Potassium 4,4’-[[[[Disulfanediylbis(ethane-2,1-diyl)]bis(oxy)]bis(ethane-2,1-diyl)]bis(oxy)]bis(pyridine-2,6-dicarboxylate)